Pilot's Guide

190-00663-03 Rev. A Garmin G1000 Pilot’s Guide for the Beechcraft C90A/GT/GTi 24
SYSTEM OVERVIEW
OBS Selects OBS mode on the CDI when navigating by GPS (only available with active leg)
CDI Cycles through GPS, VOR1, and VOR2 navigation modes on the CDI
DME Displays the DME Tuning Window, allowing tuning and selection of the DME (optional)
XPDR Displays transponder mode selection softkeys
XPDR1 Selects the #1 transponder as active
XPDR2 Selects the #2 transponder as active
STBY Selects standby mode (transponder does not reply to any interrogations)
ON Selects Mode A (transponder replies to interrogations)
ALT Selects Mode C – altitude reporting mode (transponder replies to identification and
altitude interrogations)
GND Manually selects Ground Mode, the transponder does not allow Mode A and Mode C
replies, but it does permit acquisition squitter and replies to discretely addressed
Mode S interrogations
VFR Automatically enters the VFR code (1200 in the U.S.A. only)
CODE Displays transponder code selection softkeys 0-7
0 — 7 Use numbers to enter code
BKSP Removes numbers entered, one at a time
ADS-B TX Enables/disables automatic transmission of ADS-B position and speed.(optional)
IDENT Activates the Special Position Identification (SPI) pulse for 18 seconds, identifying the
transponder return on the ATC screen
TMR/REF Displays Timer/References Window
NRST Displays Nearest Airports Window
ALERTS Displays Alerts Window
Figure 1-17 Top Level PFD Softkeys
ALERTS
(optional)